Drill bit



FIG. 1 is a side elevational view of a drill bit showing our new design;

FIG. 2 is a side elevation view thereof turned 90° with respect to FIG.1;

FIG. 3 is an end elevational view thereof; and

FIG. 4 is an elevational view thereof showing the end opposite that inFIG. 3.

The ornamental design for a drill bit, as shown and described.